Invisible Character Detector: Find Hidden Characters in Text

Mysterious bugs caused by invisible characters? Our Invisible Character Detector finds zero-width spaces, byte order marks, invisible joiners, and other hidden Unicode characters in your text.

How to Use

1. Paste suspect text into the input area
2. See detected invisible characters highlighted with their positions
3. Click Clean to remove all invisible characters

Common Use Cases

• Bug debugging: Find invisible characters causing code compilation errors
• Data cleaning: Remove hidden characters from database entries
• Content editing: Clean up text copied from web pages or PDFs
• Security: Detect homograph attacks using invisible Unicode

Frequently Asked Questions

What characters does it detect? Zero-width spaces, zero-width joiners, byte order marks (BOM), soft hyphens, and other non-printing Unicode characters.

Can invisible characters cause bugs? Yes. They can break string comparisons, URL parsing, and even code compilation.

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Try our free Invisible Character Detector now.